Central nervous system: Drowsiness, headache, insomnia have been observed rarely during therapy (less than 1%).
Gastrointestinal: Nausea, vomiting, diarrhoea, dyspepsia or epigastric pain, constipation, heartburn and anorexia have been described rarely during oral therapy with Glucosamine.
Skin: Skin reactions such as erythema and pruritus have been reported with therapeutic administration of Glucosamine.
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