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Understanding Doxycycline Side Effects
March 31st, 2026

Does Doxycycline Make You Sensitive to the Sun?

Yes, doxycycline significantly increases your sensitivity to sunlight, a side effect called photosensitivity. This antibiotic makes your skin up to 10 times more likely to burn, even with minimal sun exposure. The reaction can occur within minutes of sun contact and may cause severe burns, blistering, or dark skin patches that can last for months. Studies show that 7-20% of people taking doxycycline experience some degree of photosensitivity. To prevent sun damage, use broad-spectrum SPF 30+ sunscreen, wear protective clothing, and avoid direct sunlight between 10 AM and 4 PM while taking this medication.

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