At most, a child may experience mild reactions to the vaccine, including swelling at the injection site, itching, low-grade fever or restlessness, Martin said.

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These cause all the features of asthma, including swelling and narrowing of the bronchi and secretion of thick mucus which make it difficult for patients to breathe.

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It has side effects including odd vision disturbances and leg swelling.

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Some of the more common side effects of weight-loss surgery can be difficulty digesting starchy foods and protein, which can lead to other physical conditions including hair loss, fatigue, swelling and muscle weakness.

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