Prophylaxis of vitamin A deficiency
Adult: 6-15 mg daily.
Child: 3-6 mg daily.
Child: 3-6 mg daily.
Oral
Reduction of severity of photosensitivity reactions in patients with erythropoietic protoporphyria
Adult: 30-300 mg daily. Generally, 2-6 wk of treatment is needed before patients should attempt to increase their exposure to sunlight.
Child: 30-150 mg daily. Generally, 2-6 wk of treatment is needed before patients should attempt to increase their exposure to sunlight.
Child: 30-150 mg daily. Generally, 2-6 wk of treatment is needed before patients should attempt to increase their exposure to sunlight.