Wednesday, February 14, 2018

Diazoxide-oral hypoglycaemic,cardiovascular,antihypertensive drug and its pharmacology

Diazoxide-
A benzothiadiazine derivative that is a peripheral vasodilator used for hypertensive emergencies.
It lacks diuretic effect, apparently because it lacks a sulfonamide group.

Pharmacology:
Indication  -Used parentally to treat hypertensive emergencies. Also used to treat hypoglycemia secondary to insulinoma.

Absorption-Readily absorbed following oral administration.

Protein binding-Very high (more than 90%) to serum proteins.
Metabolism-Hepatic.
Route of elimination-Proglycem is extensively bound (more than 90%) to serum proteins, and is excreted in the kidneys.
Half life- 28 ±8.3 hours in normal adults.

Drug drug interactions:
Acebutolol+Diazoxide= Diazoxide may increase the hypotensive activities of Acebutolol.
Atenolol+Diazoxide= Diazoxide may increase the hypotensive activities of Atenolol.
Benazepril+Diazoxide= Diazoxide may increase the hypotensive activities of Benazepril.
Betaxolol+diazoxide=     Diazoxide may increase the hypotensive activities of Betaxolol.

Therapeutic Uses:
> used to treat very low blood sugar levels (hypoglycemia).

>drug works by preventing insulin release from the pancreas, helping to return the blood sugar to normal levels.

Side effects:
>  pounding heartbeats or fluttering in your chest

>  swelling in your hands, ankles, or feet

>  fine hair growth on the face, arms, and back (especially in women or children)

>  nausea, vomiting, stomach pain, loss of appetite

>  diarrhea, constipation

>  decreased sense of taste

REFERENCE:-Tripathi K D"Essential of medical pharmacology",7th edition ,page no-281,552,567

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