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If emergency care is not needed, the following steps will protect the wound and protect you from exposure to another person's blood.

Before you try to stop the bleeding:

·         Wash your hands well with soap and water, if available.

·         Put on medical gloves, if available, before applying pressure to the wound. If gloves are not available, use many layers of fabric, plastic bags, or whatever you have between your hands and the wound.

·         Have the person hold his or her own hand over the wound, if possible, and apply pressure to the injured area.

·         Use your bare hands to apply pressure only as a last resort.

·         Have the person sit up and tilt his or her head forward with the chin down. This will help any blood drain out of the mouth, not down the back of the throat. Swallowing blood can cause vomiting.

Remove any visible objects that are easy to remove. Remove chewing gum if it is present. Do not attempt to clean out the wound.

Remove any jewelry from the general area of the wound.

Press firmly on the wound with a clean cloth or the cleanest material available. If there is an object in the wound, apply pressure around the object, not directly over it.

Apply steady pressure for a full 15 minutes. Use a clock to time the 15 minutes. It can seem like a long time. Resist the urge to peek after a few minutes to see whether bleeding has stopped. If blood soaks through the cloth, apply another one without lifting the first.

Inner lip bleeding. Press the bleeding site against the teeth or jaw or place a rolled or folded piece of gauze or clean cloth between the lip and gum. Once bleeding from inside the lip stops, don't pull the lip out again to look at it. The person should avoid yawning or laughing, which may make the bleeding begin again.

Tongue bleeding. Squeeze or press the bleeding site with gauze or a piece of clean cloth.

Inner cheek bleeding. Place rolled gauze or a piece of clean cloth between the wound and the teeth.

After tooth extraction by a health professional, follow any instructions given to you by your health professional. If you do not have the instructions, bite on gauze or a piece of clean cloth to control bleeding. If pressure does not stop the bleeding, try biting down on a moistened tea bag for 10 to 15 minutes. Avoid spitting, using any form of tobacco, and using straws, which can make bleeding worse.

·         If moderate to severe bleeding has not slowed or stopped, continue direct pressure while getting help. Do all you can to keep the wound clean and avoid further injury to the area.

·         Mild bleeding usually stops on its own or slows to an ooze or trickle after 15 minutes of pressure. It may ooze or trickle for up to 45 minutes.

·         Return any skin flap to its normal position. If necessary, hold the flap in place with a clean cloth or gauze.

·         Watch the person so he or she does not swallow the gauze or cloth.

·         Do not put a bandage across the mouth.

·         Do not exercise for several days. Exercise could raise blood pressure and restart mouth bleeding.

Source: http://www.webmd.com/first-aid/tc/mouth-wounds-how-to-stop-bleeding-topic-overview

Contents

Introduction

How to treat cuts and grazes

When to get medical help

When to go to A&E

Introduction 

Most cuts and grazes are minor and can be easily treated at home.

Stopping the bleeding, cleaning the wound thoroughly and covering it with a plaster or dressing is usually all that's needed.

Minor wounds should start to heal within a few days.

How to treat cuts and grazes

Stop the bleeding

Stop any bleeding before applying a dressing to the wound. Apply pressure to the area using a clean and dry absorbent material – such as a bandage, towel or handkerchief – for several minutes.

If the cut is to your hand or arm, raise it above your head to help reduce the flow of blood.

If the injury is to a lower limb, lie down and raise the affected area above the level of your heart.

Clean the wound and apply a dressing

When the wound has stopped bleeding, clean it and cover it with a dressing to help stop it becoming infected.

To do this:

• wash and dry your hands thoroughly
• clean the wound under drinking-quality running tap water – avoid using antiseptic as it may damage the skin and slow healing
• pat the area dry with a clean towel
• apply a sterile adhesive dressing, such as a plaster – read more about how to apply plasters and other dressings

Keep the dressing clean by changing it as often as necessary. Keep the wound dry by using waterproof dressings, which will allow you to take showers.

You can remove the dressing after a few days, once the wound has closed itself.

Take painkillers if needed

If the wound is painful for the first few days, you can take over-the-counter painkillers such as paracetamol or ibuprofen.

When to get medical help

Call Emergency  or visit your local walk-in centre, minor injuries unit or GP surgery if there's a risk your wound could become infected, or you think it's already infected.

A wound is at risk of infection if:

• it has been contaminated with dirt, pus or other bodily fluids
• there was something in the wound before it was cleaned, such as gravel or a shard of glass
• it has a jagged edge
• it's longer than 5cm (2 inches)
• it was caused by an animal or human bite

Signs a wound has become infected include:

• swelling, redness and increasing pain in the affected area
• pus forming in or around the wound
• feeling generally unwell
• a high temperature (fever) of 38C (100.4F) or above
• swollen glands under the chin or in the neck, armpits or groin

An infected wound can usually be successfully treated with a short course of antibiotics.

When to go to A&E

Go to your nearest accident and emergency (A&E) department as soon as possible if:

• you cannot stop the bleeding
• you're bleeding from an artery – blood from an artery comes out in spurts with each beat of the heart, and is bright red and usually hard to control
• you experience persisting or significant loss of sensation near the wound or you're having trouble moving any body parts
• you have received a severe cut to the face – you may require urgent treatment to prevent scarring
• you have received a cut to the palm of your hand and it looks infected – these types of infection can spread quickly
• there's a possibility a foreign body is still inside the wound
• the wound is very large or the injury has caused a lot of tissue damage

In A&E, your wound will be examined to determine whether there's any risk of infection. You may need a booster injection to prevent tetanus, and your wound may be closed with stitches, strips or special glue before a dressing is applied.

If your wound is at risk of infection, it won't usually be closed because this may trap any infection inside. Instead, it will be packed with a non-sticky dressing before being covered with a protective dressing until it's safe to close.

Source: http://www.nhs.uk/Conditions/Cuts-and-grazes/Pages/Introduction.aspx

A break on the skin, in the lining of an organ, or on the surface of a tissue. An ulcer forms when the surface cells become inflamed, die, and are shed. Ulcers may be linked to cancer and other diseases.