Drug Profile
2. Brand(s):
Brand Name | Manufacturer | Dosage Form | Pack Size | MRP |
Morphine sulphate | | Injection | | |
3. Pharmacological Group:
Narcotic pain relievers.
4. Formulation:
Ampoule (0.5-50mg/ml of morphine)
5. General Information:
Morphine is a highly addictive substance, both psychologically and physically. tolerance, physical and psychological dependences develop very rapidly:
6. Dosage Form:
Solids
Tablets |
Capsules | ||
Hard Capsules | Soft Capsules | Modified Released Capsules |
Uncoated Tablets | Coated Tablets | Modified Released Tablets | Sublingual Tablets |
Powders | |
Powders for suspension | Powders for Inhalers |
Others |
Liquids | Syrup | Oral drops | Nasal Drops | Topical Solutions | Eye Preparations | Ear Preparations | Others |
Parenterals Preparations ◘ | Injection | Infusions | Powders for injection | Others |
Topical Solids | Ointment | Creams | lotions | Gels | Pastes | Others |
Morphine is used legally:
- as an analgesic in hospital settings to relieve
- pain in myocardial infarction
- pain in sickle cell crisis
- pain associated with surgical conditions, pre- and postoperatively
- pain associated with trauma
- in the relief of severe chronic pain, e.g.,
- cancer
- pain from kidney stones (renal colic, ureterolithiasis)
- severe back pain
- as an adjunct to general anesthesia
- in epidural anesthesia or intrathecal analgesia
- as an antitussive for severe cough
7. Information for the user:
i. How to take:
Use this medication exactly as it was prescribed for you. Never take morphine in larger amounts, or use it for longer than recommended by your doctor. Follow the directions on your prescription label
ii. Frequency & Time of Doses:
8-20 mg IM bd
iii. Recommended Dosage Range:
Neonates/ Children | Adult | Geriatric | Dose according to clinical condition |
Oral 0.3 mg/kg q 3-4 hrs Parenterals 0.1mg/kg q 3-4 hrs | Oral 30mg q 3-4 hrs Parentrals 10mg 3-4 hrs | | |
iv. Onset of effect:
60 min
v. duration of action
60-90 min
vi. Diet Advice:
Drink plenty of fluids while you are taking this medication
vii. Storage:
Store this medication at room temperature, away from heat, moisture, and light. Keep track of how many pills have been used from each new bottle of this medicine. .After you have stopped using this medication, flush any unused pills down the toilet. Throw away any unused liquid morphine that is older than 90 days.
viii: Missed Dose:
Since morphine is sometimes used as needed, you may not be on a dosing schedule. If you are using the medication regularly, take the missed dose as soon as you remember. If it is almost time for the next dose, skip the missed dose and wait until your next regularly scheduled dose. Do not use extra medicine to make up the missed dose.
ix. Stopping the drug:
Do not stop using morphine suddenly, or you could have unpleasant withdrawal symptoms. Talk to your doctor about how to avoid withdrawal symptoms when stopping the medication.
x. Exceeding the dose (overdose):
Seek emergency medical attention if you think you have used too much of this medicine. An overdose of morphine can be fatal. Overdose symptoms may include extreme drowsiness, pinpoint pupils, confusion, cold and clammy skin, weak pulse, shallow breathing, fainting, or breathing that stops.
8. Possible Adverse Effects:
· shallow breathing, slow heartbeat;
· seizure (convulsions);
· cold, clammy skin;
· confusion;
· severe weakness or dizziness; or
- feeling light-headed, fainting.
- upset stomach
- vomiting
- constipation
- stomach pain
- rash
- difficulty urinating
9. Contraindications:
Hypersensitivity to morphine
Respiratory and CNS depression with respiratory failure
Suspected head injury it may cause exaggerated CNS depression
10. Interactions:
Drug-Drug Interactions | Drug-Food Interactions |
MAO inhibitor such as isocarboxazid (Marplan), phenelzine (Nardil) other narcotic pain medications, sedatives, tranquilizers, muscle relaxers, or other medicines that can make you sleepy or slow your breathing. | Check your food and medicine labels to be sure these products do not contain alcohol |
11. Prolonged Use:
Results in the addiction
12. Special Precautions:
i. Be sure to tell your doctor if:
if you are using pentazocine (Talwin), nalbuphine (Nubain), butorphanol (Stadol), or buprenorphine (Buprenex, Subutex). If you are using any of these drugs, you may not be able to use morphine, or you may need dosage adjustments or special tests during treatment. if you have ever had an allergic reaction to a narcotic medicine (examples include codeine, methado),asthma attack a history of head injury or brain tumor; epilepsy or other seizure disorder; low blood pressure; gallbladder disease; Addison's disease or other adrenal gland disorders; enlarged prostate, urination problems; a history of drug or alcohol addiction
ii. Pregnancy:
Morphine diffuses across the placenta
iii. Breast Feeding/Lactation:
Traces appear in breast milk It may harm a nursing baby. Do not use this medication without telling your doctor if you are breast-feeding a baby.
iv. Infants & Children:
Same pharmacological effect as in adult
v. Over 60:
Older adults may be more sensitive to the effects of this medicine.
vi. Driving & Hazardous work:
Impair thinking or reactions. Be careful if you drive or do anything that requires you to be awake and alert.
vii. Alcohol:
Do not drink alcohol while you are taking this medication. Dangerous side effects or death can occur when alcohol is combined with morphine
13. Pharmacological Properties:
13.(i). Pharmacodynamic Properties:
It binds to specific .G protein –coupled receptor ,located primarily in brain and spinal cord regions involved in the transmission and modulation of pain.
13.(ii). Pharmacokinetic Properties:
i. Absorption:
Well absorbed in GIT
ii. Distribution:
Bioavailability | %Protein binding | Half Life | Volume of distribution | Blood Brain Barrier | Placental Barrier |
Oral 25% I M 100% | 35% | 2-3 hrs | 3.3 L/kg | poorly | crosses |
iii. Metabolism
Site of Metabolism | Active Metabolites |
Liver and Gut | Morphine-3-glucuronide, Morphine-6-glcrounide,nor morphine, codiene |
iv. Elimination:
Elimination Half Life | Route of Elimination |
1.7 hrs | 10% through feaces 90% through urine |
15. Preclinical Safety Data:
In biphasic cortisole response also has been observed for narcotics. Morphine administered to rats is known to block the release of cortisole in response to histamine challenge by inhibiting release of ACTH.s
16. Instructions for Handling:
Keep track of how many pills have been used from each new bottle of this medicine. Morphine is a drug of abuse and you should be aware if any person in the household is using this medicine improperly or without a prescription.