Abuse PotentialMorphine sulfate has a significant potential for both psychological and physical dependence and abuse. In fact, it is classified as a controlled substance, meaning that there are special rules and regulations for prescribing and obtaining the medication. Because morphine sulfate can be a desirable drug of abuse, people often try to buy it through illegal means, such as from foreign countries or online sources that do not require a prescription. It is readily available and relatively inexpensive (at least in generic form), making it a popular drug of abuse.
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What Should I Tell My Healthcare Provider Before Taking Morphine Sulfate?You should talk with your healthcare provider prior to taking this medication if you have:
- A history of drug or alcohol dependence
- Liver disease, such as cirrhosis, liver failure, or hepatitis
- Kidney disease, such as kidney failure (renal failure)
- Low blood pressure (hypotension)
- Gallbladder or pancreas disease
- Lung disease of any sort
- A head injury or high intracranial pressure
- Severe abdominal (stomach) pain
- An underactive thyroid (hypothyroidism)
- Addison's disease
- An enlarged prostate (benign prostatic hypertrophy, or BPH)
- Seizures or epilepsy
- Any allergies, including allergies to foods, dyes, or preservatives.
Also, let your healthcare provider know if you are:
- Pregnant or thinking of becoming pregnant (see Morphine and Pregnancy)
- Breastfeeding (see Morphine and Breastfeeding).
Make sure to tell your healthcare provider about any other medications you are taking, including prescription and non-prescription medicines, vitamins, and herbal supplements.
(Click Precautions and Warnings With Morphine Sulfate to learn more, including information on who should not take the drug.)