Always follow your doctor’s instructions for dosage. Typical adult dosages for malaria prevention range from 100mg daily to 200mg once a week, depending on the specific regimen and the risk level. Children require adjusted dosages based on weight and age; consult your pediatrician for guidance.
Common Side Effects
Doxycycline can cause some side effects. These often include nausea, vomiting, diarrhea, and heartburn. Photosensitivity, leading to increased sun sensitivity, is another common side effect. You should use sunscreen and limit sun exposure while taking doxycycline.
Less Common but Serious Side Effects
Less frequently, but still possible, are more serious side effects. These include an increased risk of yeast infections, esophageal irritation, and allergic reactions (rash, itching, swelling, difficulty breathing). Seek immediate medical attention if you experience any serious adverse reaction.
Precautions
Before taking doxycycline, inform your doctor about all your current medications, including over-the-counter drugs and supplements. It’s crucial to mention any pre-existing conditions, particularly liver or kidney problems. Doxycycline can interact negatively with certain medications.
Contraindications
Doxycycline is not suitable for pregnant or breastfeeding women, individuals with known allergies to tetracyclines, and children under eight years old. Consult your physician for appropriate alternatives if you fall into any of these categories.
Dosage Summary Table
| Adults | 100mg daily OR 200mg once weekly | Specific regimen depends on risk assessment. |
| Children | Variable, weight-based | Consult a pediatrician. |
Medication Interactions
Doxycycline can interact with various medications, including antacids, certain antibiotics, and oral contraceptives. Always provide a complete list of your medications to your physician to avoid potential interactions.
