Numbing spray for oral sex and why we do not recommend it

What these sprays contain

Products sold as throat or oral numbing sprays usually contain a local anesthetic, most often benzocaine, lidocaine or a similar ingredient, sometimes mixed with flavoring and cooling agents such as menthol. Local anesthetics block nerve signals in the area they touch for a period of time. That is useful in a dental chair, where a professional controls the dose and watches the patient. It is a very different situation in a bedroom.

The reflex is a warning system

The gag reflex exists to protect your airway. It fires when something touches the back of the tongue, the soft palate or the throat in a way the body reads as a risk. Pain is a second warning system that tells you when tissue is being strained or injured.

A numbing spray switches both warnings down at the same time. You may feel that things are going well while the soft tissue of your throat is being scraped or bruised, and you only find out hours later. Our article on why the gag reflex fires explains how the reflex works and why it should be trained, not silenced.

The specific risks

• Hidden injury. Without pain you can push past the point where the throat lining is irritated or torn.
• Swallowing and airway problems. A numbed throat can make swallowing less coordinated, which increases the chance of saliva or fluid going the wrong way.
• Reactions to the ingredient. Some people are allergic to local anesthetics. Health regulators, including the US Food and Drug Administration, have warned that benzocaine products can cause methemoglobinemia, a rare but serious condition that reduces the oxygen carried by the blood.
• Dosing by guesswork. Sprays are easy to overuse, and there is no professional checking how much you have taken.
• Numbing your partner. The spray does not stay where you put it. It can transfer to a partner's skin and reduce their sensation without their agreement.
• A worse learning curve. Each time the spray wears off, your reflex is exactly where it was, and any discomfort you missed now shows up.

Why people still reach for them

Most people who try a spray are not careless. They feel frustrated that the reflex fires early, they worry about disappointing a partner, or they have seen a product promise instant results. Those feelings are real, and they deserve a real answer rather than a shortcut. The answer is that the reflex changes with calm, repeated practice, and that a partner who cares about you prefers a slower pace to a hidden injury.

A consent issue as well as a health issue

Consent depends on being able to notice and communicate what you feel. If one partner cannot feel discomfort, they cannot use a stop signal when they need it. That is why we treat numbing sprays as incompatible with the way OnlyThroat teaches. Our guide to stop words for oral sex covers signals that work when speaking is hard.

What helps instead

The good news is that the gag reflex responds well to slow, calm practice. These approaches change the reflex rather than hiding it:

• Breathing first. Slow nasal breathing before and during practice lowers tension, and tension makes the reflex fire more easily.
• Gradual exposure. Touch the tongue just in front of your trigger point, hold, breathe and rest. Move back only when that spot feels neutral.
• A trainer progression. A slim, body safe trainer lets you practise alone, in control, at your own pace.
• Good positioning. An upright seat or lying back with the head slightly tilted often opens the throat more comfortably.
• Plenty of water based lube and short sessions.
• Agreed stop signals with any partner, every time.

Our guides on how to reduce the gag reflex and deep throat spray go further into each method and explain the questions people usually ask about sprays.

Why our shop does not carry them

Our shop is a short list of curated buying guides for trainers, trainer sets, water based lube, couples gear and aftercare. Numbing sprays are excluded on purpose, and they stay excluded.

If you have already used a spray

If you have used a numbing spray and now notice persistent throat pain, a hoarse voice, difficulty swallowing, bluish lips or fingertips, headache, shortness of breath or unusual tiredness, seek medical care. Shortness of breath or bluish skin needs urgent help. For ordinary soreness, our article on sore throat after oral sex covers rest and recovery.