i have a relative who has been given quinine by her doctor for muscle spasms, she has found that since taking it, her faeces has been black in colour. Is the quinine the cause of this it is not noted as a side effect of quinine.
7 Dec 2009
No, not usually. You should see your doctor if it continues especially if there is any sign of blood.
You can see a list of quinine side-effects here:
- Quinine Information for Consumers
- Quinine Information for Healthcare Professionals (includes dosage details)
- Side Effects of Quinine (detailed)
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