> Very rare (affect fewer than 1 in 10,000 people)
Increased sensitivity of the skin to UV light (photosensitivity - see warning above).
Increased pigmentation in the skin.
Increased sweating.
Visual disturbances (eg blurred vision, cataracts, colour blindness, decreased night vision, dislike of light). See warning above.
Inflammation of the surface of the eye (keratitis).
Hearing problems.
Dry throat, hoarseness.
Swollen glands.
Diabetes.
Convulsions.
Drowsiness.
Dizziness.
Abnormal behaviour, psychotic disorders, eg with delusions or hallucinations, or suicidal feelings or thoughts. See …