This high-yield revision note on Adverse Drug Reactions in Dentistry: Lichenoid Reaction & Anaphylaxis covers everything examiners typically test under Pharmacology — structured as quick-reference tables, clinical correlations, mnemonics and previous-year-style high-yield points. It's built for last-mile revision before NEET MDS, INI-CET MDS and INBDE, so you can scan it in minutes instead of re-reading a whole textbook chapter.
| Reaction | Common Causative Drugs | Feature |
|---|---|---|
| Oral lichenoid drug reaction | NSAIDs, antihypertensives (ACE inhibitors, beta blockers), antimalarials, gold salts | Often unilateral/asymmetric lesions (vs bilateral, symmetric lesions of idiopathic lichen planus); resolves on drug withdrawal |
| Drug-induced gingival overgrowth | Phenytoin, cyclosporine, nifedipine/calcium channel blockers | Classic triad; begins at interdental papilla, worse with poor oral hygiene |
| Fixed drug eruption | Sulfonamides, NSAIDs | Recurs at exactly the same site on re-exposure to the drug |
| Anaphylaxis | Penicillin (MC trigger in dental setting), latex | Type I (IgE-mediated) hypersensitivity; first-line treatment = IM epinephrine 0.3-0.5mg (1:1000) into the anterolateral thigh |
| Angioedema | ACE inhibitors, allergic reactions | Lip/tongue/airway swelling - potential emergency |
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