Doxicap 100 is a broad-spectrum antibiotic containing Doxycycline Hydrochloride, a member of the tetracycline class. It is widely used to treat various bacterial infections, ranging from respiratory issues to skin conditions and certain parasitic infections like malaria. It works by inhibiting bacterial protein synthesis, thereby stopping the growth and spread of bacteria. Produced by Renata PLC, this guide provides the latest updates for early 2026.
What is Doxicap 100 Used For?
Doxicap 100 mg is indicated for the treatment of:
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Respiratory Tract Infections: Including pneumonia, bronchitis, sinusitis, and tonsillitis.
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Gastrointestinal Infections: Such as cholera, traveler’s diarrhea, and shigella dysentery.
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Sexually Transmitted Infections (STIs): Effective against chlamydia, syphilis, and non-gonococcal urethritis.
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Skin Conditions: Primarily used for the management of severe acne (acne vulgaris) and rosacea.
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Malaria Prophylaxis: Used by travelers to prevent malaria in regions with resistant strains.
Critical Safety Note: Doxicap is an antibiotic and will not work for viral infections like the common cold or flu. For detailed molecular data, you can review Doxycycline on DrugBank.
Dosage
Dosage varies significantly based on the condition being treated. Standard adult protocols include:
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General Infections: A loading dose of 200 mg on the first day (either as a single dose or 100 mg every 12 hours), followed by a maintenance dose of 100 mg once daily.
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Severe Infections: 100 mg twice daily (every 12 hours) may be maintained throughout the treatment course.
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Acne: Usually 100 mg once daily for several weeks, depending on clinical response.
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Malaria Prevention: 100 mg once daily, starting 1–2 days before travel, continuing daily during the stay, and for 4 weeks after leaving the area.
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Administration: Take with a full glass of water while sitting or standing. Stay upright for at least 30 minutes after taking to prevent esophageal irritation.
Common Side Effects
While highly effective, Doxicap 100 can cause certain reactions:
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Gastrointestinal Distress: Nausea, vomiting, or diarrhea.
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Photosensitivity: Increased sensitivity to sunlight (risk of severe sunburn).
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Teeth Discoloration: Permanent yellowing/graying of teeth if used in children under 8 years.
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Esophageal Irritation: Pain or difficulty swallowing if the capsule dissolves in the throat.
Important Warnings & Precautions
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Dairy Interaction: Avoid taking Doxicap with milk, cheese, or antacids, as calcium binds to the medicine and reduces its absorption. Wait at least 2 hours between consuming dairy/antacids and taking the pill.
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Sun Protection: Use high-SPF sunscreen and wear protective clothing while on this medication.
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Oral Contraceptives: Doxycycline may slightly reduce the effectiveness of birth control pills; consider a backup method.
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Children/Pregnancy: Strictly contraindicated in children under 8 years and during pregnancy/breastfeeding due to risks to bone and tooth development.
Doxicap vs. Amoxicillin: Key Differences
While both are common antibiotics, they work through different mechanisms and target different types of bacteria.
| Feature | Doxicap (Doxycycline) | Amoxil (Amoxicillin) |
| Drug Class | Tetracycline | Penicillin |
| Action | Bacteriostatic (Stops growth) | Bactericidal (Kills bacteria) |
| Common Use | Acne, STIs, Malaria, Chest | Ear, Throat, Dental Infections |
| Sensitivity | Increases Sun Sensitivity | No Sun Sensitivity |
| Unit Price | ৳2.20 | ৳4.00 – ৳7.00 |
Doxicap 100 Price (February 2026 Update)
The following retail prices are current for Doxicap variants produced by Renata PLC.
| Product Name | Strength | Unit Price (BDT) | Strip Price (10 Capsules) |
| Doxicap 100 | 100 mg | ৳2.20 | ৳22.00 |
| Doxicap 50 | 50 mg | ৳1.42 | ৳14.20 |
| Doxicap 100 (Box) | 100 mg | ৳2.20 | ৳220.00 (100 caps) |
Doxicap 100 Alternative Brands & Prices
Doxycycline is highly affordable and produced by almost all major pharmaceutical companies in Bangladesh.
| Brand Name | Company Name | Price per Unit (BDT) |
| Ipadox 100 | Incepta Pharmaceuticals | ৳2.15 |
| Doxibac 100 | Popular Pharmaceuticals | ৳2.50 |
| Doxacil 100 | Square Pharmaceuticals | ৳2.50 |
| Doxy-A 100 | ACME Laboratories | ৳2.20 |
| Megadox 100 | Beximco Pharmaceuticals | ৳2.16 |
| Doxin 100 | Opsonin Pharma Ltd. | ৳2.21 |
| Doxysina 100 | Ibn Sina Pharma | ৳2.03 |
| Doxigen 100 | General Pharmaceuticals | ৳2.15 |
| Doxilin 100 | Ambee Pharmaceuticals | ৳2.13 |
| G-Doxycycline | Gonoshasthaya Pharma | ৳1.50 |
Frequently Asked Questions (FAQ) About Doxicap 100
Q: What is the Doxicap 100 mg price in Bangladesh?
As of February 2026, the retail price for Doxicap 100 is ৳2.20 per capsule. A full strip of 10 capsules costs ৳22.00.
Q: What is Doxicap 100 used for?
It is a broad-spectrum antibiotic used to treat respiratory, urinary, skin (acne), and sexually transmitted infections. It is also used to prevent malaria.
Q: What are the common Doxicap 100 side effects?
Common side effects include nausea, vomiting, diarrhea, and extreme sensitivity to sunlight. It may also cause tooth staining in very young children.
Q: Is Doxicap 100 safe during pregnancy?
No, it is generally unsafe during pregnancy (Category D). It can interfere with the bone development of the fetus and permanently discolor the baby’s teeth.
Q: Can I take Doxicap 100 for a cold or flu?
No. Doxicap is for bacterial infections only. It will not cure viral infections like the flu, a cold, or a viral cough.
Q: Why shouldn’t I lie down after taking Doxicap 100?
Lying down immediately can cause the capsule to irritate or burn the lining of your esophagus (food pipe), leading to severe pain or ulcers.
Q: Can I take Doxicap 100 with milk?
No. Dairy products like milk and yogurt can reduce the absorption of the medicine. Take it with a full glass of water instead.
Q: How long should I take Doxicap 100?
Always complete the full course prescribed by your doctor, even if you feel better after a few days. Stopping early can cause the infection to return and lead to antibiotic resistance.
Q: Does Doxicap 100 make you sleepy?
No, drowsiness is not a common side effect of Doxicap. However, if you feel dizzy or have blurred vision, you should avoid driving.
Disclaimer: This is educational information only (updated February 2026). Not a substitute for professional medical advice. Always consult a qualified physician before starting/stopping any medication.
