
Actibile 150MG Tab
Zydus Healthcare Pharma - Tablet - 150 mg - 10 S
Prescription required
Doxycycline 100 mg + Lactic acid bacillus (probiotic) 5 Billion spores (approx.) capsule
Biodoxi Lb Capsule is used for bacterial infections such as respiratory tract infections, urinary tract infections, skin and soft tissue infections, acne, sexually transmitted infections (e.g., chlamydia), and other susceptible infections as prescribed.
Medically reviewed by Dr. Balaji Krishnan, MBBS · Updated August 2026
Biodoxi Lb Capsule contains Doxycycline 100 mg + Lactic acid bacillus (probiotic) 5 Billion spores (approx.) capsule. It belongs to the Tetracycline antibiotic + Probiotic (lactobacillus) class of medicines.
Doxycycline is a tetracycline antibiotic that inhibits bacterial protein synthesis by binding to the 30S ribosomal subunit, stopping bacterial growth. Lactic acid bacillus helps restore normal gut flora and may reduce antibiotic-associated diarrhoea.
Take as prescribed by the doctor. Usually taken with a full glass of water; avoid lying down for 30 minutes after taking. Preferably take after food if stomach upset occurs. Avoid taking with milk/dairy, antacids, iron or zinc supplements within 2–3 hours of the dose.
Take it exactly as your doctor prescribed. Do not change the dose or stop early on your own.
Take the missed dose of Biodoxi Lb as soon as you remember. If it is almost time for the next dose, skip the missed one and carry on with the usual schedule. Do not take two doses together to make up for a missed dose.
Taking more Biodoxi Lb than prescribed can be harmful. If you suspect an overdose, contact a doctor or go to the nearest emergency department at once, and carry the pack or strip with you. In India the emergency number is 112.
Most side effects of Biodoxi Lb are mild and settle as the body adjusts. Reported side effects include:
Stop the medicine and seek help immediately for a rash, swelling of the face or lips, wheezing or difficulty breathing. Tell your doctor about any side effect that persists or worries you.
| Pregnancy | Not recommended (consult doctor) |
|---|---|
| Alcohol | Use with caution (may worsen stomach upset/dizziness) |
| Habit forming | No |
Complete the full course even if you feel better. May cause severe sun sensitivity—use sunscreen/cover up. Risk of oesophageal irritation/ulceration—take with plenty of water and do not lie down immediately. Not recommended in pregnancy and in children <8 years (tooth discoloration, effects on bone). Use with caution in liver disease; may cause superinfection (e.g., fungal). Seek urgent care for severe allergy, persistent diarrhoea, or signs of intracranial hypertension (severe headache/vision changes).
Antacids (aluminium/magnesium), calcium supplements, iron, zinc, bismuth (reduce absorption); warfarin (may increase bleeding risk); retinoids such as isotretinoin/acitretin (risk of intracranial hypertension); penicillins (may reduce effect); enzyme inducers like phenytoin/carbamazepine/barbiturates (may reduce doxycycline levels); oral contraceptives (may reduce efficacy—use backup contraception)
Store below 25°C in a cool, dry place. Protect from moisture and light. Keep out of reach of children.

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The information on Biodoxi Lb Capsule is compiled from the manufacturer's prescribing information and the sources below, and is reviewed by a registered medical practitioner. It does not replace advice from your own doctor.