10 Side Effects of Antihistamines
Reviewed: Dr. Mera
Side Effect #10: Fatigue
Muscle weakness or myasthenia occurs when there is lack of muscle strength. It can be divided into true or perceived muscle weakness. True weakness is usually seen in skeletal muscle diseases such as myasthenia gravis, inflammatory myopathy, hypokalemia, electrolyte imbalances, and muscular dystrophy.
Perceived muscle weakness refers to the condition where an individual feel that more effort is required to exert an amount of force despite having normal muscle strength. This can be seen in conditions such as chronic fatigue syndrome. Muscle weakness is a potential side effect of antihistamines.
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