

271 Yothapol Khemarak Phoumin Blvd (271), Phnom Penh, Cambodia
TETRA-MS 500 Tetracycline 500 mg
Prescription notice
Item may require a valid prescription. Please consult your doctor or pharmacist before using new medication.
Last updated 28/08/2026 at 5:12 PM

271 Yothapol Khemarak Phoumin Blvd (271), Phnom Penh, Cambodia
Indication
TETRA-MS 500 contains tetracycline, a broad-spectrum antibiotic used for treatment of acne vulgaris, respiratory infections (including atypical pneumonia), chlamydia, rickettsial infections, Lyme disease, cholera, brucellosis, and as an alternative when penicillin is contraindicated.
Ingredients
- Tetracycline HCl 500 mg
Direction
Adults: 250–500 mg every 6 hours (4 times daily) on an empty stomach, at least 1 hour before or 2 hours after meals. Duration varies by indication (usually 7–14 days for infections).
Side effects
- Nausea
- vomiting
- and gastrointestinal discomfort.
- Photosensitivity.
- Tooth discolouration in children.
- Skin rash.
- Candidiasis (oral or vaginal).
- Oesophageal irritation.
- Elevated liver enzymes with prolonged use.
Precautions
- Not recommended in children under 8 years (permanent tooth discolouration and impaired bone growth).
- Contraindicated in pregnancy and breastfeeding.
- Do not take with antacids
- calcium
- containing products
- dairy
- iron
- or zinc — take at least 2 hours apart.
- May cause photosensitivity
- avoid excessive sun exposure.
- May reduce efficacy of oral contraceptives.
- Take on an empty stomach for optimal absorption.
Indication
TETRA-MS 500 contains tetracycline, a broad-spectrum antibiotic used for treatment of acne vulgaris, respiratory infections (including atypical pneumonia), chlamydia, rickettsial infections, Lyme disease, cholera, brucellosis, and as an alternative when penicillin is contraindicated.
Ingredients
- Tetracycline HCl 500 mg
Direction
Adults: 250–500 mg every 6 hours (4 times daily) on an empty stomach, at least 1 hour before or 2 hours after meals. Duration varies by indication (usually 7–14 days for infections).
Side effects
- Nausea
- vomiting
- and gastrointestinal discomfort.
- Photosensitivity.
- Tooth discolouration in children.
- Skin rash.
- Candidiasis (oral or vaginal).
- Oesophageal irritation.
- Elevated liver enzymes with prolonged use.
Precautions
- Not recommended in children under 8 years (permanent tooth discolouration and impaired bone growth).
- Contraindicated in pregnancy and breastfeeding.
- Do not take with antacids
- calcium
- containing products
- dairy
- iron
- or zinc — take at least 2 hours apart.
- May cause photosensitivity
- avoid excessive sun exposure.
- May reduce efficacy of oral contraceptives.
- Take on an empty stomach for optimal absorption.
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