A nurse is caring for a child who has asthma and a prescription for montelukast granules. Which of the following instructions should the nurse provide the client's parent on administering the medication?

Expectorants are medications that help to loosen and thin mucus in the respiratory tract, making it easier to cough up and expel. They work by increasing the production of respiratory tract secretions, which helps to hydrate and thin the mucus, making it less sticky and easier to clear from the airways. By stimulating the production and secretion of mucus, expectorants promote coughing and facilitate the removal of excess mucus and phlegm from the respiratory system.

It's important to note that expectorants are primarily used for productive coughs (coughs that produce phlegm or mucus). If the cough is dry and non-productive, other types of cough suppressants or remedies may be more appropriate.

Regarding the other options:

Reduces inflammation: Expectorants do not have a direct effect on reducing inflammation in the respiratory tract. Anti-inflammatory medications such as glucocorticoids are typically used for reducing inflammation in conditions like asthma or chronic obstructive pulmonary disease (COPD).

Dries mucous membranes: Expectorants do not have a drying effect on mucous membranes. In fact, they work to increase the hydration and fluidity of respiratory secretions.

Suppresses the urge to cough: Expectorants do not suppress the urge to cough. They promote coughing by facilitating the clearance of mucus and phlegm from the airways. Cough suppressants, on the other hand, are medications used to relieve a dry, non-productive cough by suppressing the cough reflex.

The nurse must consider the following when obtaining a health history for a client with diabetes mellitus who has been taking glucocorticoids (prednisone) long-term for uncontrolled COPD:

1. Due to the use of long-term glucocorticoids, the medication must not be abruptly discontinued to avoid adrenal suppression. Abruptly stopping glucocorticoids can lead to adrenal insufficiency and a potentially life-threatening condition. Gradual tapering of the medication is necessary under medical supervision.
2. The use of long-term glucocorticoids may contribute to a spike in blood glucose levels. Glucocorticoids can cause insulin resistance and increase blood sugar levels, which can be problematic for individuals with diabetes mellitus.
3. The use of long-term glucocorticoids places the client at risk for increased susceptibility to infection. Glucocorticoids can suppress the immune system, making the client more susceptible to infections. This is important to consider, especially in a hospital setting where the risk of acquiring infections may be higher.

Regarding the other options:

The client may develop low blood pressure: While glucocorticoids can cause fluid retention and increased blood pressure, they are not typically associated with low blood pressure.

The client will most likely experience more pain: The use of glucocorticoids is not directly related to increased pain perception. Pain management may be influenced by various factors, but it is not specifically attributed to long-term glucocorticoid use.