Common(1% to 10%): Rash (urticarial, erythematous, morbilliform), pruritus Rare(0.01% to 0.1%): Exfoliative dermatitis Frequency not reported: Peeling, mucosal ulceration, urticaria[Ref] Hematologic Very rare(less than 0.01%): Changes in blood counts, hemolytic anemia, leukopenia,thrombocytopenia...
Worsening of Mazzotti reactions, including arthralgia, synovitis, lymph node enlargement and tenderness, pruritus, skin involvement (including edema, papular and pustular or frank urticarial rash), and fever, has been reported during the first 4 days following treatment for onchocerciasis. ...
1. de Groot AC, Conemans J (1986) "Allergic urticarial rash from oral codeine." Contact Dermatitis, 14, p. 209-14 2. (2001) "Product Information. Robitussin (guaifenesin)." Wyeth-Ayerst Laboratories 3. Gonzalogarijo MA, Revengaarranz F (1996) "Fixed drug eruption due to codeine." Br...