Adverse Reaction:
Side effects are due to exagegerated pharmacological effects, salivation and fasciculation are most common.
CNS - dizziness, convulsions, loss of conciouness, headache, weakness, dysarthia, miosis, visual changes Cardiovascular - cardiac arrhythmias ( bradycardia, tachycardia, AV bolck and nodal rhythm ) non spedcific
ECG changes, cardiac arrest, syncope, hypotension
Respiratory- increased oral, pharyngeal and bronchial secretions, dyspnea, respiratory depression, respiratory arrest, bronchospasm.
Dermatogical - rash, urticaria
GI - nausea, emesis, flatulence, icreased peristalisis, bowel cramps, diarrhea Musculoskeletal- muscle cramps, and spasms, arthalgia
Body as a whole - diaphoreisis, allergic reactions, anaphylaxis, urinary frequency
Contra-Indications:
Hypersentivity to neostigmine, peritonitis, mechanical intestinal or urinary tract obstruction
special precautions-
Use with caution inpatients with epilepsy, bronchial asthma, bradycadia, recent coronary oculsion, vagotonia, hyperthyroidism, cardiac arrhythmias or peptic ulcer
Concomittant atropine administration- when large doses are administered prior injection or simultaneous injection of atrpoine sulfate may be advisable Use separate syringes for neostigmine or atropine
Hypersensitivity - have atropine and antishock medication immediately avialable
Pregnancy- Give to pregnant women only if needed
Lactation- Because of potential serious adverse reactions to the nursing infants, decide whether to discontinue nursing or to discontinue the drug depending on importance of the drug to the mother
Children -Safety and efficacy for use in childen is not established
Patient Information:
Ref- Advice for the Patient - Drug Information in Lay Language- USPDI (1997)
Antimyasthenics - Systemic
Includes- Ambenonium, Neostigmine, Pyridostigmine
1.Allergies-
Tell your doctor if you have ever had any unusual or allergic reaction to ambenomium,
bromides, neostigmine or pyridostigmine. Also tell your healthcare provider if you are
allergic to any other substances, such as preservatives or dyes.
2.Pregnancy-
Antimyasthenics have not been reported to cause birth defects, however, muscle
weakness has occured temporarily in some new borns babies whose mother took
antimyasthenics during pregnancy
3. Breast-feeding-
Antimyasthetics have not been reported to cause problems in nursing babies
4.Children-
Although there is no specific information comparing use of antimyasthenics
in children with use in other age groups,these medicines are not expected to cause
different side effects or problems in children than in adults.
5.Older adults-
Many medicines have not been studied specifically in older people. Therefore, it
may not be known whether they work exactly the same way they do in younger
adults, or if they cause different side effects or problems in older people
Although there is no specific information comparing use of antimyasthenic
in the elderly to use in other age groups, they are not expected to cause
different side effects or problems in older people than they do in younger adults
6.Other medicines-
Although certain medicines should not be used together at all, in other cases two
different medicines may be used together even interaction might occur. In such
cases your doctor may want to change the dose , or other precautions may be
necessary.
When you are taking an antimyasthenic, it is especially important that
your doctor know if you are taking any of the following-.
Demercarium (eg.Humorsol) or
Echothiophate (eg.Phospholine iodide) or
Malathion (eg.Floropryl ) or
Guanadrel (eg. Hylore ) or
Guanethidine (eg.Ismelin ) or
Mecamylamine (eg.Inversine) or
Procainamide ( eg.Pronestyl ) or
Trimthanaphan ( eg.Arfonald) - the effects of thes medicines may interfere
with the actions of antimyasthenics
7.Other medical problems-
The presence of other medical problems may affect the use of antimyasthenics.
make sure you tell your doctor if you have other any other medical problems,
Intestinal blockage or
Urinary tract blockage or
Urinary tract infection- these medicines may make the condition worse.
Manufacturer Details