There are, therefore, no absolute prohibitions, apart possibly from some of the drugs used in anaesthesia, and no need to panic if you are taking, or have taken, one of the drugs listed below without any ill-effects. Decisions about whether or not to take a drug must be made in consultation with your doctor. It should also be emphasised that while these drugs may make the symptoms of MG worse, none of them affects the basic disease process, apart from penicillamine. From the doctor's viewpoint, problems arise because information on the drugs, in reference books as well as in the packaging, is often inaccurate. Some drugs, temazepam being a good example, are labelled as being absolutely contra-indicated in MG, when in fact they do not affect it at all, while on the other hand, some drugs which commonly aggravate MG do not carry a warning.
Further problems arise for doctor and patient, because of the profusion of available drugs.
As well as tablets and injections, I have listed preparations used locally in the eye, as significant amounts of drug can be absorbed into the bloodstream when given by this route. These are used to treat and prevent irregular heart beat. Procaine Amide Pronestyl Quinidine Kinidin Durules 2. They are chiefly given by injection, and you are therefore most likely to come across them in hospital. You are more likely to encounter those in groups B, which are usually given as tablets, often for chest infections, but which are much less likely to upset your MG, and C, which are commonly used for bladder and kidney infections.