Answer
Covonia Medicated Sore Throat Lemon lozenges may be harmful to people with phenylketonuria because they contain aspartame, a source of phenylalanine.
Sources for this answer
- Covonia Medicated Sore Throat 5mg/1mg Lozenges Lemon FlavourThornton & Ross Ltd · emc · SmPC §4.4 Special warnings and precautions for use · Version 5Document updated
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