CHLORPROMAZINE
Strength25 mg
Formoral.solid
25 mg 3 times daily, adjusted according to response x 3-7 days until hiccups terminate
Specialist paediatric neurologist supervision required
Chlorpromazine 25 mg Tablets SmPC sections 4.2 and 4.4 (eMC product 3477)
Dopamine-receptor antagonist that is the only orally approved agent specifically for intractable hiccups, acting centrally to interrupt the hiccup reflex arc; used once an underlying cause has been considered.
- Side effects include sedation, postural hypotension, and extrapyramidal symptoms.
- Investigate underlying cause (GERD, Uremia, CNS lesions, diaphragm irritation) if persistent >48 hrs.
- It photosensitises. In this sun that is not a footnote - cover up, stay out of direct sunlight.
- It also breaks thermoregulation both ways. A Cairo summer or a cold snap both raise the risk, and the elderly are where that shows up first.
- Elderly: start at a third to a half of the adult dose and climb more slowly.
- Anyone handling phenothiazine tablets or solution repeatedly should avoid getting it on their skin.
- Chlorpromazine is the only FDA-approved oral agent for intractable hiccups.
| Egyptian brand | Manufacturer | Indicative price |
|---|---|---|
| PROMACID 25 MG 50 TAB. | CID | 2.60 EGP (0.05/unit) |
| NEURAZINE 25 MG 20 TABS. | MISR | 20.00 EGP (1.00/unit) |