Histamine H2-receptor antagonists
While waiting for specialist referral for consideration of omalizumab and other specialist treatments, or instead of specialist referral (if preferred), consider trialling a histamine H2-receptor antagonist. Consider:
1famotidine 20 to 40 mg orally, once daily famotidine famotidine famotidine
OR
1nizatidine 300 mg orally, once daily nizatidine nizatidine nizatidine
OR
1ranitidine 300 mg orally, once daily. ranitidine ranitidine ranitidine
Seek specialist advice for use of histamine H2-receptor antagonists in children.