Methohexital (By injection)

There may be other brand names for this medicine.

You should not use this medicine if you have had an allergic reaction to methohexital, or barbiturates, or if you have porphyria.

Your doctor will prescribe your dose and schedule. This medicine is given through a needle placed in a vein.
A nurse or other health provider will give you this medicine.

Make sure your doctor knows if you are using medicines for seizures such as phenytoin (Dilantin®), or blood thinners such as warfarin (Coumadin®). Tell your doctor if you are also using steroid medicine such as dexamethasone, prednisolone, prednisone, or Medrol®. Make sure your doctor knows if you are also using products that contain ethyl alcohol or propylene glycol.

Make sure your doctor knows if you are pregnant or breastfeeding.
Make sure your doctor knows if you have heart disease, lung disease, liver disease, kidney disease, asthma, seizures (epilepsy), high or low blood pressure, or severe anemia.
This medicine may make you drowsy. Avoid driving, using machines, or doing anything else that could be dangerous if you are not alert.
Tell any doctor or dentist who treats you that you are using this medicine. This medicine may affect certain medical test results.

Allergic reaction: Itching or hives, swelling in your face or hands, swelling or tingling in your mouth or throat, chest tightness, trouble breathing
Fast heartbeat.
Lightheadedness or fainting
Numbness or weakness in your arm, leg, or on one side of your body.
Pain in your lower leg (calf).
Tremors or seizures.

Confusion, drowsiness, weakness, or muscle twitching.
Headache.
Mild nausea, vomiting, or stomach pain.
Mild skin rash, or itching.
Nervousness, restlessness, anxiety, or agitation.
Pain, itching, burning, swelling, or a lump under your skin where the needle is placed.

Last Updated: 1/27/2017