
A case of the carcinoid syndrome associated with a proximal myopathy is reported. Histology showed advanced atrophy of type II muscle fibres but no inflammation. Perinuclear acid phosphatase was increased. Electron microscopy revealed persistence of the Z-line until the muscle fibre had been severely disrupted. Similar lesions have been observed in the hereditary muscular dystrophy in mice, and also in these animals and in rats when injected with 5-hydroxytryptamine (5-HT).

Periactin can also be used to treat allergy symptoms. The symptoms it is known for treating in regards to inhalant allergies such as ragweed and pollen are watery, itchy eyes, hives and rashes.

Periactin can also be used to treat allergy symptoms. The symptoms it is known for treating in regards to inhalant allergies such as ragweed and pollen are watery, itchy eyes, hives and rashes.

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