Slenfig 15 mg Capsule 10's

Written By Bayyarapu Mahesh Kumar , M Pharmacy

Reviewed By Dr Aneela Siddabathuni , MPharma., PhD

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About Slenfig 15 mg Capsule

Slenfig 15 mg Capsule belongs to the class of medication called anti-obesity drugs used to treat obesity and help lose weight. Slenfig 15 mg Capsule is recommended for obese patients with an initial body mass index (BMI) ≥ 30 kg/m2 or ≥ 27 kg/m2 in the presence of other risk factors (e.g., dyslipidemia or Abnormally elevated cholesterol or fats, diabetes, controlled hypertension). Slenfig 15 mg Capsule should be used along with a low-calorie diet and regular physical exercise. Obesity is a medical condition caused by excess body fat, making a person overweight and predisposing them to many conditions and disorders. Intake of more calories than you burn by exercise or daily activities results in obesity.

Slenfig 15 mg Capsule contains Sibutramine which causes weight loss by suppressing the appetite and promoting energy expenditure.

Take Slenfig 15 mg Capsule as prescribed by your doctor. You are advised to take Slenfig 15 mg Capsule for as long as your doctor has prescribed it for you based on your condition. Some people may experience dry mouth, headache, loss of appetite, trouble sleeping, and constipation. Most of these side effects of Slenfig 15 mg Capsule do not require medical attention and gradually resolve over time. However, if the side effects persist, please consult your doctor.

Slenfig 15 mg Capsule is contraindicated in patients with hypersensitivity to Sibutramine or any of the inactive ingredients in it. Slenfig 15 mg Capsule is contraindicated in patients receiving monoamine oxidase inhibitors (MAOIs) or other centrally acting weight loss drugs. It is recommended not to use in patients with a major eating disorder (anorexia nervosa or bulimia nervosa). The use of Slenfig 15 mg Capsule during pregnancy and breastfeeding is not recommended. The efficacy of Sibutramine in adolescents who are obese has not been adequately studied. The concomitant use of Slenfig 15 mg Capsule and excess alcohol is not recommended.

Uses of Slenfig 15 mg Capsule

Obesity and overweight

Directions for Use

Swallow it as a whole with water; do not crush, break or chew it.

Medicinal Benefits

Slenfig 15 mg Capsule contains Sibutramine, an anti-obesity drug indicated for managing obesity, including weight loss and maintenance of weight loss, and should be used in conjunction with a reduced-calorie diet. Slenfig 15 mg Capsule is recommended for obese patients with an initial body mass index (BMI) ≥ 30 kg/m2 or ≥ 27 kg/m2 in the presence of other risk factors (e.g., dyslipidemia or Abnormally elevated cholesterol or fats, diabetes, controlled hypertension). Sibutramine causes weight loss by suppressing the appetite and by promoting energy expenditure. Slenfig 15 mg Capsule should be used along with a low-calorie diet and regular physical exercise. Thus, Slenfig 15 mg Capsule promotes weight loss and lowers the possibility of developing major health issues.

Storage

Keep Slenfig 15 mg Capsule out of reach and sight of children.

Side effects of Slenfig 15 mg Capsule

Headache

Dealing with Medication-Induced Headache:

Hydrate your body: Drink enough water to prevent dehydration and headaches.
Calm Your Mind: Deep breathing and meditation can help you relax and relieve stress.
Rest and Recharge: Sleep for 7-8 hours to reduce headache triggers.
Take rest: lie down in a quiet, dark environment.
Cold or warm compresses can help reduce tension.
Stay Upright: Maintain good posture to keep symptoms from getting worse.
To treat headaches naturally, try acupuncture or massage therapy.
Over-the-counter pain relievers include acetaminophen and ibuprofen.
Prescription Assistance: Speak with your doctor about more substantial drug alternatives.
Severe Headaches: Seek emergency medical assistance for sudden, severe headaches.
Frequent Headaches: If you get reoccurring headaches, consult your doctor.
Headaches with Symptoms: Seek medical attention if your headaches include fever, disorientation, or weakness.

Dry Mouth

Here are the steps to Dry Mouth (xerostomia) caused by medication:

Inform your doctor about dry mouth symptoms. They may adjust your medication regimen or prescribe additional medications to manage symptoms.
Drink plenty of water throughout the day to help keep your mouth moist and alleviate dry mouth symptoms.
Chew sugar-free gum or candies to increase saliva production and keep your mouth moisturized.
Use saliva substitutes, such as mouthwashes or sprays, only if your doctor advises them to help moisturize your mouth and alleviate dry mouth symptoms.
Avoid consuming smoking, alcohol, spicy or acidic foods, and other irritants that may aggravate dry mouth symptoms.
Schedule regular dental check-ups to keep track of your oral health and handle any dry mouth issues as they arise.

Back Pain

Managing back pain as a side effect of medication requires a combination of self-care techniques, lifestyle modifications, and medical interventions. Here are the steps:

Talk to your doctor about your back pain and potential medication substitutes or dose changes.
Try yoga or Pilates and other mild stretching exercises to increase flexibility and strengthen your back muscles.
To lessen the tension on your back, sit and stand upright and maintain proper posture.
To alleviate discomfort and minimize inflammation, apply heat or cold packs to the afflicted area.
Under your doctor's supervision, think about taking over-the-counter painkillers like acetaminophen or ibuprofen.
Make ergonomic adjustments to your workspace and daily activities to reduce strain on your back.
To handle tension that could make back pain worse, try stress-reduction methods like deep breathing or meditation.
Use pillows and a supportive mattress to keep your spine in the right posture as you sleep.
Back discomfort can worsen by bending, twisting, and heavy lifting.
Speak with a physical therapist to create a customized training regimen to increase back strength and flexibility.

Flu syndrome (Flu Symptoms)

Get plenty of rest and sleep.
Keep your body warm.
Drink plenty of fluids to stay hydrated.
Avoid strenuous activities.
Maintain good hygiene to prevent flu from spreading.

Stomach Pain

Drink water or other clear fluids.
To prevent worsening of pain, limit intake of tea, coffee, or alcohol.
Include bland foods like rice, toast, crackers, and rice in your diet.
Avoid lying down immediately after eating as it may cause indigestion or heartburn.
Avoid acidic and spicy food as it may cause indigestion.

Fast Heart Rate

Here are the steps to manage the medication-triggered Tachycardia (Fast Heart Rate):

Contact your doctor immediately if you're experiencing a fast heart rate, palpitations, or other heart-related symptoms. This is crucial to determine whether the symptoms are related to your medication.
Your doctor may need to adjust your medication regimen to alleviate the fast heart rate symptoms. This could involve changing the medication, reducing the dosage, or adding new medications to counteract the side effects.
Follow your doctor's advice on monitoring your heart rate and blood pressure. This will help track any changes and ensure your heart rate returns normal.
If you experience severe symptoms such as chest pain, dizziness, or shortness of breath, seek immediate medical attention. These symptoms can indicate a more serious condition that requires prompt treatment.

Stuffy Nose

Managing Medication-Triggered Rhinitis (Stuffy Nose): A Step-by-Step Guide

Consult your doctor if you experience nasal congestion, runny nose, or sinus pressure after taking medication.
Your doctor may adjust your treatment plan by changing your medication, adding new medications, or providing guidance on managing your rhinitis symptoms.
If advised by your doctor, use nasal decongestants or saline nasal sprays to help relieve nasal congestion.
Practice good hygiene, including frequent handwashing, avoiding close contact with others, and avoiding sharing utensils or personal items.
Stay hydrated by drinking plenty of water and other fluids to help thin out mucus and soothe your nasal passages.

Drug Warnings

If you have an allergy to any ingredient in Slenfig 15 mg Capsule , it is advised that you avoid using it. While taking Slenfig 15 mg Capsule , women who are sexually active should use effective contraception. Patients should be instructed to inform their doctor immediately if they get pregnant or plan to get pregnant while taking Slenfig 15 mg Capsule . Sibutramine or its metabolites may be excreted in human milk; however, this is unknown. Therefore, using Slenfig 15 mg Capsule while breastfeeding is not advised. Since there is little knowledge on utilizing Slenfig 15 mg Capsule in teens, it is advised against doing so. Inform your doctor about your medical history and the other drugs you are currently taking before taking Slenfig 15 mg Capsule to rule out any possible side effects or interactions.

Drug-Drug Interactions

SibutramineEphedrine

Critical

SibutramineVilazodone

Severe

Drug-Drug Interactions

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SibutramineEphedrine

Critical

How does the drug interact with Slenfig 15 mg Capsule:
Co-administration of Slenfig 15 mg Capsule can intensify the effects of Ephedrine, and it may also have undesirable effects like anxiety, nervousness, restlessness, and racing thoughts.

How to manage the interaction:
Taking Ephedrine with Slenfig 15 mg Capsule is not recommended, it can be taken if your doctor has advised it. However, if you experience hallucinations, seizures, abnormal blood pressure changes, a fast heart rate, fever, increased sweating, blurred vision, muscle pain or stiffness, tremors, pain in the stomach, nausea, vomiting, and diarrhoea, consult the doctor. Do not discontinue any medications without a doctor's advice.

SibutramineVilazodone

Severe

How does the drug interact with Slenfig 15 mg Capsule:
When Vilazodone is taken with Slenfig 15 mg Capsule, may increase the risk of serotonin syndrome (a condition in which a chemical called serotonin increases in your body).

How to manage the interaction:
There may be a possibility of interaction between Vilazodone and Slenfig 15 mg Capsule, but it can be taken if prescribed by a doctor. If you notice any of these signs - like confusion, hallucination, seizure, extreme changes in blood pressure, increased heart rate, fever, excessive sweating, shivering or shaking, blurred vision, muscle spasm or stiffness, tremor, incoordination, stomach cramp, nausea, vomiting, and diarrhea-call a doctor right away. Do not stop using any medications without a doctor's advice.

SibutramineVortioxetine

Severe

How does the drug interact with Slenfig 15 mg Capsule:
Taking Vortioxetine with Slenfig 15 mg Capsule can increase the risk of serotonin syndrome (A condition in which a chemical called serotonin increase in your body).

How to manage the interaction:
Taking Vortioxetine with Slenfig 15 mg Capsule together can possibly result in an interaction, but it can be taken if a doctor has advised it. If you notice any of these symptoms like confusion, hallucination, seizure, extreme changes in blood pressure, increased heart rate, fever, excessive sweating, shivering or shaking, blurred vision, muscle spasm or stiffness, tremor, incoordination, stomach cramp, nausea, vomiting, and diarrhea, contact a doctor. Do not discontinue any medications without consulting a doctor.

SibutramineBupropion

Severe

How does the drug interact with Slenfig 15 mg Capsule:
Bupropion is capable of causing seizures (fits), and combining it with Slenfig 15 mg Capsule, may enhance the risk.

How to manage the interaction:
Co-administration of bupropion along with sulbutramine can lead to an interaction, it can be taken if recommended by a doctor. While taking these medications, you should avoid tasks that need mental attention, such as driving or operating dangerous machinery. Do not discontinue any medications without consulting a doctor.

SibutramineDoxepin

Severe

How does the drug interact with Slenfig 15 mg Capsule:
The combined use of Slenfig 15 mg Capsule and Doxepin can increase the risk of serotonin syndrome(A condition in which a chemical called serotonin builds up in your body).

How to manage the interaction:
Co-administration of Slenfig 15 mg Capsule and Doxepin can lead to an interaction, but it can be taken if your doctor advises. However, if you experience any symptoms like confusion, hallucination, seizure, increased heart rate, fever, excessive sweating, shivering or shaking, blurred vision, muscle spasm or stiffness, tremors, incoordination, stomach cramps, nausea, vomiting, diarrhoea, consult the doctor immediately. Do not stop using any medications without a doctor's advice.

SibutramineVenlafaxine

Severe

How does the drug interact with Slenfig 15 mg Capsule:
When venlafaxine is taken with Slenfig 15 mg Capsule, the risk of serotonin syndrome increases (a condition in which a chemical called serotonin builds up in your body).

How to manage the interaction:
There may be a possibility of interaction between Venlafaxine and Slenfig 15 mg Capsule, but it can be taken if prescribed by a doctor. However, if you experience any of the following symptoms: confusion, hallucination, seizure, extreme changes in blood pressure, increased heart rate, fever, excessive sweating, shivering or shaking, blurred vision, muscle spasm or stiffness, tremor, incoordination, stomach cramp, nausea, vomiting, and diarrhoea, seek immediate medical attention. Do not discontinue any medications without consulting a doctor.

SibutramineGlimepiride

Severe

How does the drug interact with Slenfig 15 mg Capsule:
Taking Glimepiride with Slenfig 15 mg Capsule may lose the weight and may leads to hypoglycemia sometimes.

How to manage the interaction:
Although there is a possible interaction, glimepiride can be taken with Slenfig 15 mg Capsule if prescribed by the doctor. The doctor may advise frequent monitoring of a blood sugar and adjustment of your diabetic regimen both during and after treatment with Slenfig 15 mg Capsule. Let the doctor know if you experience symptoms of low blood glucose such as headache, dizziness, drowsiness, nervousness, confusion, tremor, nausea, hunger, weakness, perspiration, palpitation, and rapid heartbeat. Do not discontinue the medications without consulting a doctor.

SibutramineSumatriptan

Severe

How does the drug interact with Slenfig 15 mg Capsule:
Using Slenfig 15 mg Capsule together with Sumatriptan might raise serotonin hormone levels in the body, affecting the brain and nerve cells. Increased serotonin hormone can lead to severe side effects.

How to manage the interaction:
Although there is a possible interaction between Sumatriptan and Slenfig 15 mg Capsule, you can take these medicines together if prescribed by your doctor. However, if you experience increased heart rate, fever, excessive sweating, shivering or shaking, blurred vision, muscle spasms or stiffness, tremors, incoordination, stomach cramps, nausea, vomiting, and diarrhea call a doctor. Do not discontinue any medications without consulting a doctor.

SibutraminePentazocine

Severe

How does the drug interact with Slenfig 15 mg Capsule:
Taking Pentazocine with Slenfig 15 mg Capsule may increase the risk of serotonin syndrome(a condition in which a chemical called serotonin increase in your body).

How to manage the interaction:
Although taking Pentazocine and Slenfig 15 mg Capsule together can evidently cause an interaction, but can be taken together if prescribed by a doctor. However, consult a doctor if you experience confusion, hallucination(seeing and hearing things that do not exist), fits, blood pressure alteration, increased heart rate, fever, excessive sweating, shivering or shaking, blurred vision, pain in the muscles or stiffness, incoordination, stomach cramps, nausea, vomiting, and diarrhea. Do not discontinue any medications without consulting your doctor.

SibutramineParoxetine

Severe

How does the drug interact with Slenfig 15 mg Capsule:
Taking paroxetine with Slenfig 15 mg Capsule can increase the risk of a rare but serious condition called the serotonin syndrome(a condition in which a chemical called serotonin increase in your body).

How to manage the interaction:
Although there is a possible interaction between Paroxetine and Slenfig 15 mg Capsule, it can be taken if your doctor has advised it. If you notice any of these symptoms like confusion, hallucination, seizure, increased heart rate, fever, excessive sweating, shivering or shaking, blurred vision, muscle spasm or stiffness, tremor, incoordination, stomach cramps, nausea, vomiting, diarrhea, contact your doctor immediately. Do not discontinue any medications without consulting your doctor.

Drug-Food Interactions

No Drug - Food interactions found in our database. Some may be unknown. Consult your doctor for what to avoid during medication.

Drug-Food Interactions

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Diet & Lifestyle Advise

Maintain a low-fat diet. Prefer skim milk and fat-free or low-fat dairy products.
Avoid red meat and include lean meat such as salmon and chicken.
Eat a healthy diet that includes fruits, vegetables, lean protein and whole grains.
Avoid fried foods, fast food, instant food, pasta, burger, noodles and cookies.
Limit your sugar intake, as excess sugar is stored as fat in the body.
Do not skip meals to reduce weight but instead, take balanced meals.
Do regular exercise such as swimming, cycling, walking or dancing for a minimum of 20 to 30 minutes daily.
Avoid alcohol consumption.

Side Effects of Slenfig 15 mg Capsule

Dry mouth
Headache
Loss of appetite
Trouble sleeping
Constipation

Habit Forming

No

Therapeutic Class

ANTIOBESITY DRUG

Author Details

Written By

Bayyarapu Mahesh Kumar

M Pharmacy

Reviewed By

Dr Aneela Siddabathuni

MPharma., PhD

Last Updated

Jul 8, 2025 | 9:48 AM IST

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Drug-Diseases Interactions

No Drug - Disease interactions found in our database. Some may be unknown. Consult your doctor for what to avoid during medication.

Drug-Diseases Interactions

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FAQs

How does Slenfig 15 mg Capsule work?

Slenfig 15 mg Capsule contains Sibutramine, an anti-obesity drug that causes weight loss by suppressing the appetite and promoting energy expenditure. Slenfig 15 mg Capsule should be used along with a low-calorie diet and regular physical exercise. Thus, Slenfig 15 mg Capsule promotes weight loss and lowers the possibility of developing major health issues.

Does Slenfig 15 mg Capsule cause high Blood Pressure and Pulse?

Slenfig 15 mg Capsule substantially increases some patients' blood pressure and/or pulse rate. Regular pulse rate and blood pressure monitoring is required when prescribing Slenfig 15 mg Capsule .

What should I do if I take too many Slenfig 15 mg Capsule accidentally?

If you take too much Slenfig 15 mg Capsule , call your doctor or Poison Control Center immediately, or go to the emergency room.

Is it ideal to use in patients who have a major eating disorder?

Slenfig 15 mg Capsule is contraindicated in patients with major eating disorders (anorexia nervosa or bulimia nervosa).

Drug-Drug Interactions Checker List

ISOCARBOXAZID
PHENELZINE
CITALOPRAM
CLOMIPRAMINE
DOXEPIN
ONDANSETRON
SUMATRIPTAN
MERASTIN

Disease/Condition Glossary

Obesity: Obesity is a common condition associated with excessive body fat, which in turn increases the risk of other health problems such as diabetes, high blood pressure, certain cancers and heart disease. Intake of more calories than you burn by exercise or daily activities results in obesity. Some common causes of obesity include insufficient sleep, growing older, pregnancy, genetics, hypothyroidism (underactive thyroid gland) or polycystic ovary syndrome (imbalance of female reproductive hormones). Proper diet and exercise are advised, along with medication to treat obesity.