What is Diathermy?

Diathermy is a medical treatment that uses electricity to create heat in the body’s tissues. The word “diathermy” comes from two Greek words: “dia,” which means “through,” and “thermos,” which means “heat.” This warmth is used to help with healing and pain relief. It can also help muscles relax. Doctors use diathermy in medical fields like physiotherapy, orthopedics, and dermatology.

How does diathermy heat up the tissue?

Diathermy is a medical treatment that uses electricity to create heat inside the body’s tissues. There are two main ways to do diathermy: shortwave and microwave.

Shortwave diathermy:

Shortwave diathermy is a medical treatment that uses particular waves with frequencies between 10 and 100 million cycles per second. The thing has a part that moves back and forth and makes a type of energy that goes back and forth too. Putting this thing on your body makes the molecules in your tissues vibrate and creates heat. Shortwave diathermy is a treatment that can go deep into your body tissues. It makes it suitable for treating injuries in your muscles and inflammation in your joints.

Microwave diathermy:

Microwave diathermy is a treatment that uses particular waves with frequencies between 300 MHz and 3 GHz. This technique uses microwaves to focus on the area that needs treatment. The microwaves make the water molecules in the tissues move faster and create heat. Doctors often use microwave diathermy to treat skin problems and relieve pain in specific body areas.

If you’re considering diathermy, what should you know about it?

Diathermy is usually safe, but there are some things you should be careful about and some risks you should know about.

Burns: Misusing diathermy for too long can cause burns on your skin or the tissues underneath. Doctors and nurses must give the proper treatment in the right amount of time and keep a close eye on the patient while they get better.

Tissue Damage: Using diathermy can make things hot and hurt your tissues, especially if you don’t have good blood flow or can’t feel well in that area. It’s essential to be careful and change treatment to avoid problems.

Implanted Devices: Some medical devices put inside the body, like pacemakers or metal implants, can be affected by a diathermy treatment. So, doctors avoid using diathermy on patients who have these devices. Doctors using a diathermy machine create a unique energy that can mess up other electronic devices nearby. It can cause those devices to stop working or get broken. Before getting diathermy treatment, you must let your healthcare provider know if you have any implants.

Pregnancy: When a woman is pregnant, doctors try to avoid using diathermy in the belly and pelvic areas because it could hurt the growing baby. If someone is pregnant and thinking about getting diathermy treatment, they should talk to their doctor about the good and bad things that could happen.


Diathermy is a treatment that uses electricity to create heat in the body’s tissues. It can help reduce pain, relax muscles, and heal tissues. Just like any medical procedure, diathermy has some risks. These include burns, damage to tissues, and it’s not recommended for people with implanted devices or during pregnancy. So, it’s essential to have diathermy done by trained healthcare professionals who can ensure the treatment is done correctly and watch out for any harmful side effects.

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