About cysteamine
Cysteamine ophthalmic cystine-depleting agent
Used for
- Treats corneal cystine crystal deposits in cystinosis.
Usual adult dose
One drop in each eye four times daily.
Usual dose in children
One drop in each eye four times daily; used in children from age two years.
Common side effects
- Eye pain, irritation, redness, or itching
- Blurred vision or increased tearing
- Sensitivity to light
Important warnings
- For eye use only; avoid touching the dropper tip.
- Contact lenses should be removed before use and reinserted after 15 minutes.
- Use separate products as instructed if applying other eye medicines.
Pregnancy
Limited information; use only when the expected benefit outweighs potential risk.
Breastfeeding
Limited information; discuss potential risks and benefits with a healthcare professional.
AI-generated from general medical knowledge, not from this product's official leaflet. It may be incomplete or out of date. Not medical advice — ask a pharmacist or doctor before making any decision.