Medications which cause dark spots or hyperpigmentation on the skin include the following: Antiarrhythmics Antiarrhythmics are used to treat abnormal heart rhythms. Antiarrhythmics that can cause hyperpigmentation include amiodarone. This drug is one of the causes of blue /grey facial pigmentation and pigmentation of the hands. Antibiotics Antibiotics are used to treat infections in the […]
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