Like all medicines, this medicine can cause side effects, although not everybody gets them.
Common side effects (affecting >1% of people using BETADINE Throat Spray): None stated.
Uncommon side effects (affecting <1% of people using BETADINE Throat Spray): Immune system disorders: Hypersensitivity, Anaphylactic reaction.
Endocrine disorders: Hyperthyroidism (sometimes with symptoms such as tachycardia or restlessness).
Skin and subcutaneous disorders: Contact dermatitis (with symptoms such as erythema, small blisters and pruritus), Angioedema.
Frequency not known but may also occur: Endocrine disorders: Hypothyroidism.
Metabolism and nutrition disorders: Electrolyte imbalance, Metabolic acidosis.
Renal and urinary disorders: Acute renal failure, Blood osmolarity abnormal.
Injury, poisoning and procedural complications: Chemical burn of skin.