As opposed to drugs, using an enuresis alarm does not produce any side effects.
The wearable alarms are small, light, and easy to conceal under the pyjamas.
The alarms are easy to operate.
Most alarms come with a vibrating mode that can help children avoid embarrassment.
Cons
The alarm sensor needs to be cleaned thoroughly every time it gets in contact with urine (several times a night in some cases)
Some alarms are uncomfortable to wear
Some children get scared when the alarm goes off
Alarms are not 100% accurate
Parents must be ready to wake the children up within the first few weeks
The treatment process for bedwetting via alarm systems can take a long time (several months) and can be almost as frustrating for some children and parents as bedwetting itself. If this is the case, read Bedwetting Alarms: Making It Easy For The Child
Price may be an issue for some families: a good alarm costs around $100.