Walk into any pharmacy in Singapore and you’ll find a wall of pain patches next to the heat pads. They’re not the same thing, and two products sold as “patches” work in completely different ways.
Three different products
Electric heat pad. Plugs in, produces real warmth, holds it steady for as long as you want.
Air-activated heat patch. Contains iron powder that reacts with air to give low, steady warmth for several hours. This is genuine heat, just portable.
Medicated patch. Delivers a drug or a counter-irritant through the skin. Menthol and capsicum types create a sensation of hot or cold without changing the temperature. Others deliver an anti-inflammatory medicine locally. See deep heat rubs and heating pads.
People lump all three together as “the hot patch thing”, and that’s where mistakes happen.
Which suits what
| Situation | Best fit |
|---|---|
| At home, evening, sore back | Electric pad |
| At work or school all day | Air-activated heat patch |
| Period cramps on a workday | Heat patch; electric pad at home |
| Travelling, no socket | Heat patch |
| Daily use for a long-term problem | Electric pad (patches get expensive) |
| Localised joint or muscle pain, want medication | Ask a pharmacist about a medicated patch |
| Stiff before exercise | Electric pad, then move |
Row by row: the sore back at home, the cold office, period cramps, travelling with a pad, long-term pain, and warming up before exercises.
Cost over time
Patches cost a few dollars each.
Use one a day and you’re spending more in a couple of months than a pad costs outright, and you’ll keep spending. The pad costs once and runs for pennies. Current pad prices: heat pad prices in Singapore.
Most people end up with both: a pad at home, a few patches in the bag for days out.
Safety differences worth knowing
- Patches stay on for hours. That unbroken contact is exactly how low-temperature burns happen. Follow the packet on whether it goes on skin or clothing, and don’t sleep in one.
- Never put an electric pad over a medicated patch. Heat increases absorption, and menthol or capsicum plus heat can burn. Use one or the other.
- Medicated patches are medicine. They can interact with other medication and don’t suit everyone. Ask a pharmacist, especially if you have asthma, stomach or kidney problems, or you’re pregnant.
- Skin reactions are more common with adhesive patches than with a pad and a cotton cover.
- Keep all patches away from children and pets. A used patch still contains active ingredient, so fold it sticky sides together and bin it safely. See heat pads and children.
Everyone who shouldn’t use a heat pad also shouldn’t use a heat patch: reduced sensation, diabetes with neuropathy, broken skin, fresh swollen injuries.
See who should not use a heating pad.
The thing neither one does
Both make you more comfortable for a while. Neither treats the cause. If you’re reaching for either most days for weeks, the useful next step is finding out why, not buying a bigger box.
More on the options: electric vs microwave vs stick-on heat packs. If you’ve decided on a pad, the best heating pad in Singapore.
The heat pad we use
We’ve supplied the Bremed BD7800 since 2010. It holds a steady temperature, covers a whole lower back and has a machine-washable cotton cover. Physiotherapy clinics in Singapore use it with their patients.
Clinically reviewed by: Nigel Chua (Hand Occupational Therapist) & Louise Yow (Physiotherapist). This article is general information, not a diagnosis. electricheatpad.com sells electric heat pads.
