Methadone 40mg mallinckrodt


Methadone Hydrochloride 40mg

Imprint: M 2540

Strength: 40 mg

Color: Orange

Size: 20.00 mm

Shape: Four-sided



methadone clinic near me, Pill with imprint M 2540 is Orange, Four-sided and has been identified as Methadone Hydrochloride (Dispersible) 40 mg. supplied by Mallinckrodt Pharmaceuticals.

Methadone is used to treat opiate withdrawal, chronic pain; pain and belongs to the drug class narcotic analgesics. Methadone 40 mg is classified as a Schedule 2 controlled substance under the Controlled Substance Act (CSA).

Before using methadone

The risks of taking the medicine must be weighed against the good it will do. This is a decision you and your doctor will make. Considered the following:


Tell your doctor if you have ever had any unusual or allergic reaction to methadone or any other medicines. Also tell your health care professional if you have any other types of allergies, such as to foods, dyes, preservatives or animals. For non-prescription products, read the label or package ingredients carefully.


Appropriate studies have not been performed on the relationship of age to the effects of methadone in the pediatric population.


Appropriate studies performed to date have not demonstrated geriatric-specific problems that would limit the usefulness of methadone in the elderly. However, elderly patients are more likely to have age-related heart, kidney, liver or lung problems, which may require caution and an adjustment in the dose for patients receiving methadone.


There are no adequate studies in women for determining infant risk when using this medication during breastfeeding. Weigh the potential benefits against the potential risks before taking this medication while breastfeeding.

Interactions with food/tobacco/alcohol

Certain medicines should not be used at or around the time of eating food or eating certain types of food since interactions may occur. Using alcohol or tobacco with certain medicines may also cause interactions to occur.

The following interactions have been selected on the basis of their potential significance and are not necessarily all-inclusive.

Using methadone with any of the following may cause an increased risk of certain side effects but may be unavoidable in some cases. If used together, your doctor may change the dose or how often you use methadone, or give you special instructions about the use of food, alcohol, or tobacco.

Proper use of methadone

Do not take more of it, do not take it more often, and do not take it for a longer time than your doctor ordered. This is especially important for elderly patients, who may be more sensitive to the effects of pain medicines.

If too much of methadone is taken for a long time, it may become habit-forming (causing mental or physical dependence). Methadone comes with a Medication Guide. Read and follow the instructions carefully.

Missed dose

If you miss a dose of methadone, take it as soon as possible. However, if it is almost time for your next dose, skip the missed dose and go back to your regular dosing schedule. Do not double doses.

If you are taking methadone for opioid addiction and miss a dose, take your next dose the following day as scheduled.


Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light. Keep from freezing.

Keep out of the reach of children.

Do not keep outdated medicine or medicine no longer needed.

Methadone can cause serious unwanted effects if taken by adults who are not used to strong narcotic pain medicines, children, or pets. Make sure you store the medicine in a safe and secure place to prevent others from getting it.

Drop off any unused narcotic medicine at a drug take-back location right away. If you do not have a drug take-back location near you, flush any unused narcotic medicine down the toilet. Check your local drug store and clinics for take-back locations. methadone clinic near me. methadone clinic near me


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